Patent attributes
A road lamp holder structure includes a lamp guard (1), an LED unit (2) installed at the bottom of the lamp guard (1), and a heat dissipating device (30) installed in lamp guard (1) and having a base (30), a vapor chamber (31) and two heat dissipating elements (32) attached to the LED unit (2). The vapor chamber (31) includes a heated section (310) attached onto the base (30), two heat transmitting sections (311) bent and extended upward from both sides of the heated section (310) respectively, a condensing section (312) bent and extended laterally from each of the two heat transmitting sections (311), two heat dissipating elements (32) having a heated base (30), and heat dissipating fins (321) disposed on the heated base (30). The two heated bases (30) are attached onto external sides of the two heat transmitting sections (311) of the vapor chamber (31) respectively, and the two condensing sections (312) of the vapor chamber (31) are attached to the internal periphery of the top of the lamp guard (1).
